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Sperm competition is the competitive process between spermatozoa of two or more different males to fertilize the same egg [1] during sexual reproduction. Competition can occur when females have multiple...

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Will sperm from multiple men fight

   12.04.2018  4 Comments

The average man produces roughly billion sperm cells over his lifetime and releases, in one way or another, more than one billion of them per month and anywhere from 40 million to 1. The males of other species boast some equally impressive numbers: If it only takes one sperm cell to fertilize an egg, though, why produce so many? The females of many species mate with and receive the sperm of multiple males, often in quick succession. No, you buy several to increase your probability of winning. Sperm, in a way, are a lot like lottery tickets. Sperm competition is such a powerful selective pressure, in fact, that it influences the size of the testes and the volume of ejaculate of some animals and causes others to modulate the amount of sperm they produce based on the presence of a rival male.

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Will sperm from multiple men fightWill sperm from multiple men fight

Sperm competition is a form of post-copulatory sexual selection [1] whereby male ejaculates simultaneously physically compete to fertilize a single ovum. Physiological evidence, including testis size relative to body weight and the volume of sperm in ejaculations, suggests that humans have experienced a low-to-intermediate level of selection pressure for sperm competition in our evolutionary history. Evidence suggests that, among the great apes, relative testis size is associated with the breeding system of each primate species.

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Author: Mary-Anne B

4 thoughts on “Will sperm from multiple men fight

  1. Sperm have to fight when a female has multiple partners — which is pretty normal behavior in nearly all animals.

  2. If it was up to the young people, Hillary would have won by a landslide? Well, thank god that didn’t happen!

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